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26 December, 22:09

Using suitable rearrangement find the sum of - 5 + 7/10 + 3/7 + (-3) + 15/4

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  1. 26 December, 22:40
    0
    -4.88

    Step-by-step explanation:

    -5 + (-3) = (-8)

    7/10 = 98/140

    3/7 = 60/140

    15/4 = 525/140

    525/140 + 60/140 + 98/140 = 683/140

    683/140 = 4 123/140

    4 123/140 = 4.88 (2dp)

    4.88 + (-8) = - 4.88
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